ToneWoodAmp ToneWoodAmp, Multi-Effect for Acoustic Guitar, No amplifier necessary - the effect can be heard through the guitar's sound hole, Easy to install; held in place by magnets, 8 Built-in effects like Reverb, Delay, Tremolo, Leslie, Auto-Wah, Overdrive, Controllable effect parameters, 10 Memory slots, Input instrument: 6.3 mm jack, Output PA / Amp: 6.3 mm jack, Input/Output: iOS device, Battery operation via 3 AA batteries - up to 8 hours possible, Installation device (X-Brace) and connection cable included@+*Note:* Only works on guitars with pickup system @+@+*Note:* Only for right-handed guitars